QBASIC Program to print the series 1, 3, 5, 7, 9 ...... 25

Using FOR...NEXT

CLS
FOR i = 1 TO 25 STEP 2
      PRINT i;
NEXT i
END

Using WHILE...WEND

CLS
i = 1
WHILE i <= 25
      PRINT i;
      i = i + 2
WEND
END

Using DO ... LOOP

CLS
i = 1
DO
      PRINT i;
      i = i + 2
LOOP UNTIL i >= 25
END